Evaluating Inverse Trig Expressions

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Evaluate the function:  arcsin(-1/2)

• π/3
• π/6
• 5π/6
• -π/6

Evaluate: cos^-1(√3/2)

• π/3

• 2π/3

• π/6

• 5π/6

Evaluate: Csc^-1(-√2)

• π/4
• 3π/4
• -π/4
• -3π/4

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For a function to have an inverse it must...

• pass the vertical line test

• pass the horizontal line test